(5alpha,6beta)-6-(Acetylthio)-17-(cyclopropylmethyl)-7,8-didehydro-4,5-epoxymorphinan-3-ol acetate (ester) 129200-07-3 KT 90 KT-90 Morphinan-3-ol, 6-(acetylthio)-17-(cyclopropylmethyl)-7,8-didehydro-4,5-epoxy-, acetate (ester), (5alpha,6beta)-